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Finding the Fourth Proportional to 173,905.62, 239,989.41 and 98,461.14

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Solution

The fourth proportional to 173,905.62, 239,989.41 and 98,461.14 is: 135,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,905.62 : 239,989.41 = 98,461.14 : x
  2. Step 2: Convert to fraction form
    173,905.62/239,989.41 = 98,461.14/x
  3. Step 3: Cross multiply
    173,905.62x = 239,989.41 × 98,461.14
  4. Step 4: Simplify right side
    173,905.62x = 23,629,630,896.53
  5. Step 5: Solve for x
    x = 23,629,630,896.53/173,905.62
  6. Step 6: Final answer
    x = 135,876.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.